Red Hat, Novell sued for patent infringment

tgell · Oct 12, 2007

IP Innovation LLC and Technology Licensing Corporation filed against Red Hat and Novell on 9 October. The complaint accuses Red Hat and Novell of infringing three patents, all of which appear to have originally been assigned to Xerox.
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What is really interesting is who this company recently hired.

Article

Pedro · Oct 12, 2007

Patents:
5,072,412 - User interface with multiple workspaces for sharing display system objects
5,533,183 - User interface with multiple workspaces for sharing display system objects
5,394,521 - User interface with multiple workspaces for sharing display system objects
Assignee: Xerox Corporation (Stamford, CT)

They bought these from Xerox? Are they going to build an OS, and who are they?
If this goes back to the Xerox PC's, are they going to sue MS and Apple for using a GUI and mouse?

Googling:

Originally granted to Xerox in 1991 and since sold to IP Innovation, the patent in question includes references that date back to 1984, when IBM received U.S. Patent No. 4484302. That patent protected a "Single screen display system with multiple virtual display having prioritized service programs and dedicated memory stacks."

IBM spokespeople were not immediately available for comment.

The filing was first reported earlier this week in the Patent Troll Tracker blog. The site also claims that IP Innovation is a subsidiary of Acacia, a firm well known in patent circles for its business of buying patents -- such as the one-time Xerox patent now at the heart of this week's filing -- then aggressively asserting them.

According to Patent Troll Tracker, Acacia has sued hundreds of defendants in 213 different patent lawsuits brought by 36 different Acacia subsidiaries.

Acacia spokespeople did not return requests for comment by press time.
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http://www.internetnews.com/bus-news/article.php/3704906

Ha, i see...

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